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Summary of Accounting Policies (Details)
12 Months Ended
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Fiscal period duration   364 days 364 days 364 days
Scenario, Forecast        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Fiscal period duration 364 days